[meteorite-list] Meteor Crater Impactor?

From: Sterling K. Webb <sterling_k_webb_at_meteoritecentral.com>
Date: Fri, 10 Sep 2010 03:34:25 -0500
Message-ID: <98690F9269FA4574AE00EC7FF13FDAAB_at_ATARIENGINE2>

Eric, List,

That is the conclusion of the 2005 paper in "Nature" by
Melosh and Collins. Their computer models suggest it
fragmented and came in as a swarm of pieces, much
slowed by the atmosphere.

Here's two popular articles:
http://news.nationalgeographic.com/news/2005/03/0310_050310_meteorcrater.html
and
http://www.astronomy.com/asy/default.aspx?c=a&id=2965

Here's original paper:
http://amcg.ese.ic.ac.uk/~gsc/publications/articles/download/article7.pdf

Well, one page from Nature, Vol. 434, 10 March, 2005.



Sterling K. Webb
---------------------------------------------------------------------------------
----- Original Message -----
From: "Meteorites USA" <eric at meteoritesusa.com>
To: "Meteorite-list" <meteorite-list at meteoritecentral.com>
Sent: Thursday, September 09, 2010 10:44 AM
Subject: [meteorite-list] Meteor Crater Impactor?


> Hi List,
>
> Can someone tell me the proposed/accepted angle of descent of the
> asteroid which formed Meteor Crater in AZ?
>
> Wikipedia has the impactor at 50 meters across, and velocity at 12.8
> km/s. Is this accurate?
>
> Eric
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Received on Fri 10 Sep 2010 04:34:25 AM PDT